From 3a4eeb8d56b208150556160d3e9d2de324fa402e Mon Sep 17 00:00:00 2001
From: nik <Nikolay.Chashnikov@jetbrains.com>
Date: Tue, 31 Jul 2012 13:32:06 +0400
Subject: [PATCH] IDEA-89367: Cannot rename folder

---
 .../psi/impl/source/tree/injected/InjectedLanguageUtil.java      | 1 +
 1 file changed, 1 insertion(+)

diff --git a/platform/lang-impl/src/com/intellij/psi/impl/source/tree/injected/InjectedLanguageUtil.java b/platform/lang-impl/src/com/intellij/psi/impl/source/tree/injected/InjectedLanguageUtil.java
index b1cf67d8945d..b64c44eb3ee7 100644
--- a/platform/lang-impl/src/com/intellij/psi/impl/source/tree/injected/InjectedLanguageUtil.java
+++ b/platform/lang-impl/src/com/intellij/psi/impl/source/tree/injected/InjectedLanguageUtil.java
@@ -374,6 +374,7 @@ public class InjectedLanguageUtil {
 
   public static PsiFile getTopLevelFile(@NotNull PsiElement element) {
     PsiFile containingFile = element.getContainingFile();
+    if (containingFile == null) return null;
     Document document = PsiDocumentManager.getInstance(element.getProject()).getCachedDocument(containingFile);
     if (document instanceof DocumentWindow) {
       PsiElement host = InjectedLanguageManager.getInstance(containingFile.getProject()).getInjectionHost(containingFile);